UNBREAKABLE Synonyms: 33 Similar and Opposite Words

unbreakable

adjective

Definition of unbreakable

as in durable

not able to be broken The two of them had an unbreakable bond of friendship. The plastic is virtually unbreakable.

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of unbreakable These two former Texas Rangers lead an unforgettable cast of characters across the American west in this sweeping odyssey defined by unrequited longing, unbreakable friendship, brutal frontier justice, and an unwavering pursuit of a meaningful life. — Nellie Andreeva, Deadline, 8 Sep. 2026 Protect Your Sleep and Your Boundaries Poor sleep makes brain fog and mood swings infinitely worse, so treat your bedtime like an unbreakable appointment. — Tabitha Britt, Flow Space, 1 Sep. 2026 That truce, born from the scars of Europe’s bloody religious wars and America’s own colonial theocracies, was deemed unbreakable, but Falwell was making inroads toward prying it apart. — Literary Hub, 25 Aug. 2026 The phrase stems from the ancient Celtic handfasting ritual where hands are tied to represent an unbreakable bond. — Ashlyn Robinette, PEOPLE, 24 Aug. 2026 See All Example Sentences for unbreakable

Recent Examples of Synonyms for unbreakable

Adjective

That means investing in durable foundations such as data, architecture, governance and security; shortening planning cycles; and being willing to stop funding initiatives that no longer create differentiated value.

— Rahul Saluja, Forbes.com, 5 Oct. 2026
That tension manifested in 2026 as two once-popular sustainable fashion brands saw ownership change hands after struggling to turn their models into durable businesses.

— Glenn Taylor, Footwear News, 5 Oct. 2026

Definition of durable

Adjective

The Salem witch trials of 1692 carved out an enduring and powerful niche in American history for this little town, and this intimate, kitschy museum does an excellent job telling the story.

— Condé Nast, Condé Nast Traveler, 4 Oct. 2026
For Parker, the enduring thrill is in what these imaginative collaborations might bring to the ballet.

— Anna Cafolla, Vogue, 2 Oct. 2026

Definition of enduring

Adjective

Cognizant, Infosys, Tata Consultancy Services, Wipro, HCL and Capgemini were also on the list of companies that will no longer be able to apply for permanent residence status for their H-1B employees.

— Jaweed Kaleem, Los Angeles Times, 8 Oct. 2026
Practically no major league has shortened its regular season calendar on a permanent basis.

— Jacob Feldman, Sportico.com, 8 Oct. 2026

Definition of permanent

Browse Nearby Words

unbreachable

unbreakable

unbridled

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“Unbreakable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unbreakable. Accessed 9 Oct. 2026.

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Synonyms of unbreakable

adjective

Example Sentences

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